The RAD7 User’s Manual has been updated. Users are encouraged to download the revised version of the manual from our Product Manuals page.

CAPTURE version 4.6 has been released. Our redesigned RAD7 communications software now supports multiple simultaneous RAD7 connections. Learn more here.

DURRIDGE has moved to a new office in Billerica, Massachusetts. Please note our new phone and fax numbers. See our contact information here.

CAPTURE version 4.5.1 has been released. This version of our RAD7 communications software offers further refinement in response to customer feedback. Learn more here.

CAPTURE version 4.5 has been released. This version introduces a wide variety of new features and improvements, and is recommended for all RAD7 users. Learn more here.

CAPTURE version 4.4.10 has been released. This version adds B to A window spill correction, introduces new graph appearance settings, and more. Learn more here.

CAPTURE version 4.4.9 has been released. This version fixes several bugs and adds support for RAD7 data records containing unknown humidity levels. Learn more here.

CAPTURE version 4.4.8 has been released. Customers who currently use version 4.4.7 will enjoy CAPTURE’s recently introduced automatic update feature. This revision fixes a bug that prevented the program from starting up properly on Windows under certain conditions. Learn more here.

DURRIDGE Company is pleased to announce the availability of CAPTURE version 4.4.7. CAPTURE is our RAD7 communications software, used to obtain RAD7 data and perform sophisticated radon data analysis. This update brings numerous enhancements, including auto-update, as well as several important bug fixes. Learn more here.

The all-new DURRIDGE Web site is now functionally complete. We hope you enjoy improved access to product details, the Google Custom Search bar, and our new User Forums.